These are great quality chains. The 150cm chain features an intermediate loop-link for greater versatility especially when used with a pulling device.
160kg tested breaking strain.
Short 80cm
Do not use calving chains with calf pullers as the chain links will damage the calf's legs and the action of the calf puller will put undue stress on the chain, resulting in breakage of the chain. Use calving ropes with the calf puller.